Binds to membranes enriched in phosphatidylserine or phosphatidylglycerol in a calcium-dependent manner. Half-maximal membrane binding requires about 60 uM calcium. Does not bind to membranes that lack phospholipids with an acidic headgroup., Binds to membranes enriched in phosphatidylserine or phosphatidylglycerol in a calcium-dependent manner, but requires higher calcium levels for membrane binding than isoform A. Half-maximal membrane binding requires about 320 uM calcium. May play a role in vesicular traffic to the apical plasma membrane (Probable). Source: Recombinant protein corresponding to aa2-316 from canine Annexin A13, fused to 6X His-Tag at N-terminal, expressed in Mammalian cell. Molecular Weight: ~39.3kD Amino Acid Sequence: GNRHAKAKSHHGFDVDHDAKKLNKACKGMGTDEAAIIEILSSRTSDERQQIKQKYKATYGKDLEEVFKSDLSGNFEKTALALLDRPSEYDARQLQKAMKGLGTDEAVLIEILCTRTNKEIMAIKEAYQRLFDRSLESDVKADTSGNLKAILVSLLQANRDEGDDVDKDLAGQDAKDLYDAGDGRWGTDELAFNEVLAKRSHKQLRATFQAYQILIDKDIEEAIEAETSGDLQKAYLTLVRCARDQEGYFADRLYKSMKGTGTDEETLIHIIVTRAEVDLQGIKAKFQEKYQKSLSDMVRSDTSGDFQKLLVALLH Storage and Stability: Lyophilized and reconstituted products are stable for 6 months after receipt at -20C. Reconstitute with sterile ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Supplied as a lyophilized powder from 20mM Tris-HCl, 0.5M sodium chloride, pH 8.0, 6% trehalose. Reconstitute with sterile ddH2O to a concentration of 0.1-1mg/ml.
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